Dental floss holder



FIG. 1 is a top, front, and left side perspective of a dental floss holder embodying my new design.

FIG. 2 is a left side view of FIG. 1, the right side being a mirror image.

FIG. 3 is a top plan view of FIG. 1.

FIG. 4 is a bottom plan view of FIG. 1.

FIG. 5 front elevation view of FIG. 1; and,

FIG. 6 is a rear elevation view of FIG. 1.

Shown in phantom lines are features of the flossing device which form no part of the claimed design. 

The ornamental design for a dental floss holder, as shown and described. 